class Rubydex::MethodAliasDefinition

static VALUE rdxr_method_alias_definition_signatures(VALUE self) {
    HandleData *data;
    void *graph = rdxi_graph_from_handle(self, &data);

    SignatureArray *arr = rdx_method_alias_definition_signatures(graph, data->id);
    return rdxi_signatures_to_ruby(arr);
}

static VALUE rdxr_method_alias_definition_target(VALUE self) {
    HandleData *data;
    void *graph = rdxi_graph_from_handle(self, &data);

    CMethodAliasTargetResult result = rdx_method_alias_definition_target(graph, data->id);

    switch (result.status) {
    case CMethodAliasResolution_Resolved: {
        VALUE decl_class = rdxi_declaration_class_for_kind(result.declaration->kind);
        VALUE argv[] = {data->graph_obj, ULL2NUM(result.declaration->id)};

        free_c_declaration(result.declaration);
        return rb_class_new_instance(2, argv, decl_class);
    }
    case CMethodAliasResolution_NotFound:
        return Qnil;
    case CMethodAliasResolution_Cycle:
        rb_raise(rb_const_get(mRubydex, rb_intern("AliasCycleError")), "method alias chain forms a cycle");
    default:
        rb_raise(rb_eRuntimeError, "Unknown CMethodAliasResolution: %d", result.status);
    }
}